brake AUDI S6 2009 User Guide

& WARNING
• Always observe the warnings in => page 293, "Engine compart­
ment", before opening the hood and checking the brake fluid.
• Driving with low brake fluid is a safety hazard . Stop the car and
get professional assistance.
• USA models : If the BRAKE warning light and the -warning
light come on together, the rear wheels could lock up first under
hard braking . Rear wheel lock-up can cause loss of vehicle control
and an accident. Have your vehicle repaired immediately by your
authorized Audi dealer or a qualified workshop. Drive slowly and
avoid sudden, hard brake applications.
• Canada models: If the brake warning light «D> and the ABS
warning light come on together, the rear wheels could lock up first under hard braking. Rear wheel lock-up can cause loss of
vehicle control and an accident. Have your vehicle repaired imme­ diately by your authorized Audi dealer or a qualified workshop .
Drive slowly and avoid sudden, hard brake applications. •
Engine cooling system malfunction _t
A malfunction in the engine cooling system must be
repaired as soon as possible.
When the -t symbol in the display blinks, then either the
engine coolant
temperature is too high, or the coolant level
is too low. An additional driver message can also be
displayed by pressing the [
CHECK] button:
Switch off engine and check coolant level
- Pull off the road .
- Stop the vehicle.
- Turn off the engine.
Controls and equip ­
ment
Driver information display
Check coolant level ~ page 308.
-Add coolant if necessary~ page 309 .
Continue driving only after the engine coolant
warning/indicator light goes out.
Contact your authorized Audi dealer for assistance if
necessary.
If the engine coolant level is correct, then the radiator fan may be
the cause of the malfunction.
If the O warning symbol (alternator malfunction) also lights up on
the instrument panel=>
page 30, then the fan belt may be damaged.
& WARNING
• If your vehicle should break down for mechanical or other
reasons, park at a safe distance from moving traffic, turn off the
engine and turn on the hazard warning lights =>
page 67, "Emer­
gency flasher
A".
• Never open the hood if you see or hear steam or coolant
escaping from the engine compartment - you risk being scalded.
Wait until you can no longer see or hear steam or coolant escaping.
• The engine compartment of any vehicle is a dangerous area.
Before you perform any work in the engine compartment, turn of
the engine and allow it to cool. Follow the warning stickers
=>
page 293, "Engine compartment" .
0 Note
Do not continue driving if the -F-symbol illuminates. There is a
malfunction in the engine cooling system -you could damage your
engine .•
I • •

Ignition lock malfunction ~
A malfunction in the ignition Jock must be repaired imme­diately.
If the ~ symbol in the display blinks, there is a malfunction
in the electronic ignition lock. An additional driver message
can also be displayed by press ing the [CHECK] button:
Ign iti on lock defe ctive . C ont ac t wo rkshop !
- Do not turn the engine off.
- Drive immediately to an auth orized A udi dealer to have
the malfunction corrected .
If there is a malfunction in the electronic ignition lock, the ignition
cannot be turned off . Drive immediately to an authorized Audi
dea ler to have the cause of the malfunction corrected .
On vehicles with Convenience key*, the engine should not be
switched off using the [
STOP] button because the engine cannot be
started again after the ignition is switched off. •
Yellow symbols
A yellow symbol means WARNING.
Contro ls and eq uip­
ment
Fig . 19 Dis pl ay: low
fu el le ve l wa rning
(pr io rity 2)
Dri ver inf orm atio n di spl ay
Ye llow symbols indicate a priority 2 malfunction -Warning!
When a yellow warning symbol appears,
one warning tone sounds.
A driver message appears as well to explain the malfunction in more detail. The driver warning goes out after about 5 seconds, but it can
be brought up again at any time by pressing the [ CHECK
I button .
Check the displayed function as soon as possible . If
more than one
priority 2 malfunction is detected , a ll symbols will appear one after
the other for about 2 seconds.
Yellow symbols mean:
Convenience key*
~ page 120
Key not in vehicle
USA models: ~ page25
Defective brake light
Canad a mod els: ~ page25
Defective brake light
11 Defective light bulb
~ page25
-
Light/rain sensor defective ~ page34
Windshield washer fluid ~ page34
level low
Low fuel leve l
~ page34
Battery voltage ~ page35
Worn brake pads ~ page35
IIDynamic headlight range ~ page35
control defective
-
Check engine oi l level ~ page35
~ page305 ...
Vehicle care I I irechnical data

Driver inf ormati on displ ay
Engine oil sensor malfunction => page 35
._ -
Engine speed limitation* => page 36
--Adaptive Light* defective :::::, page 36
Ignition lock malfunction :::::, page 36
--Windshield wiper defective :::::, page 36
Tire pressure monitoring sys -:::::, page 337
tern
Loss of tire pressure
Tire pressure monitoring sys -:::::, page 337
tern
System not available
Ba ttery in remote control key
--Electromechanical
parking brake
Automatic transmission ma l­
function
A pplies to vehi cles : wi th Conven ien ce key
Key not in vehicle
K ey not in vehicle
=> page 43
=> page 123
:::::, page 160,
=> page 167
-
-
-
-
This reminder appears along with the.., symbol if the master key is
removed from the vehicle with the engine running. It is intended to
remind you (e.g . when changing drivers) no t to continue the journey
without the master key.
If the master key is no longer in the vehicle, you cannot switch off
the ignition after stopping the engine and you also cannot start the
•
engine again . What is more, you cannot lock the vehicle from the
outside. •
Light/rain sensor defective
Au tomat ic he adl ight s/au tomatic wiper s defec tive
If the symbo l illuminates, the light sensor has failed . For safety
reasons the low beams are turned on permanently with the switch
in
AU TO . However, you can continue to turn the lights on and off
using the light switch. In the case of a defect in the rain sensor, the
windshie ld wiper lever functions are still available. Have the
light/rain sensor checked as soon as possible at a dea lership .•
Windshield washer fluid level too low "')
U Please top up washer fluid
If the symbol il luminates, add windshield washer fluid to the washer
system and also to the headlight washer system:::::,
page 316. •
Fuel supply too low Q.)
L Pl ea se refuel
When this symbol il luminates for the first time, the fue l reserve
in your vehicles is still about 2 Gal lons (7 to 9 litersl. Refuel as soon
as possible :::::,
page 296.
If the symbo l lights up, even when there is ample fue l in the tank,
and the text
T an k s yste m m alf un ction ! Cont act w orks hop appears
in the display, there is a fault in the system. Contact a qualif ied work ­
shop to have the fault rectified .•

Battery voltage ~
If the battery's state of charge is not in the optimal range, the
symbo l is shown in the display and the driver message
Low battery
c harge : battery will be charged wh ile dr iving
appears .
Whi le th is d river notification is displayed, you have to be p repa red
for limited starting capabi lity.
Driver message appears and goes out again
If this driver message appears after the ignition is turned on or
w hile driving and it g oes out agai n after a w hile , th e ba tte ry has
been adequately recharged.
Driver message appears and does not go out again
I f this dr iver notification appears after the ignition is turned on or
while driv ing and does n ot go out aga in, the bat tery's state of
charge is not in the optimal range. Starting capability is restricted.
H ave the ba ttery checke d by an au tho rize d Audi deale r as soon a s
poss ible .•
Worn brake pads
Brake pads!
If the wa rning light i lluminates, immediate ly contact your autho ­
rized Aud i d eal er or qualified wor kshop to have a ll brake pads
inspected. On USA models the warning light comes on together
wit h the warning light
BRAKE . Both sets of brak e pads o n an a xle must
a lways be replaced at the same time.
& WARNING
Driving with bad brakes can cause a collision and serious personal
injury.
• If the warning light • and the warning light
BRAKE11 with the
message Brake pads ! comes on in the instrument cluster display ,
Controls and equip ­
ment
Driv er information display
& W ARNING (continued )
immediately contact your author ized Audi dealer or qualified
workshop to have all brake pads checked or replaced if necessary .•
Headlight range control defective ">
l ) Headlight range control defective
If th e sy mbol ill uminates , the dyna mic headlig ht ra nge c ont rol is n o
longer working properly . Have the system checked and repa ired at
yo ur Au di d eale r.•
Engine oil level "'·
Please check oil level
When the symbol il luminates, check the engine o il leve l as soon as
possible =>
page 305. Top off the oi l at your earliest opportu nity
=>
page 306. •
Engine oil sensor defective ~,m,
Oil level! sensor defective
If the symbo l il luminates, contact your authorized Audi dealer and
h ave th e oil sensor insp ecte d. Unt il y ou hav e thi s do ne, c heck the oil
leve l each time you refue l just to be on the safe side=>
page 305. •
11 BRAKE : USA models only
I • •

- Position the head restraint according to the occupant's
height=>
page 86. For maximum protection, the top of
the head restraint should be at least at eye level, prefer­
ably higher and ideally level with the top of the head
=>
page 199, fig. 197.
& WARNING
Never place any objects in the driver's footwell. An object could
get into the pedal area and interfere with pedal function. In case
of sudden braking or an accident, you would not be able to brake
or accelerate. •
Front passenger's seat
Always move the front passenger seat into the rearmost
position.
To avoid contact with the airbag while it is deploying, do not
sit any closer to the instrument panel than necessary and
always wear the three-point safety belt provided adjusted
correctly. We recommend that you adjust the passenger's
seat in the following manner:
- Move the front passenger seat into the rearmost position
of the fore and aft adjustment range=>
& in "Why is
your seat adjustment so important?" on
page 80.
- Bring the backrest up to an (almost) upright position. Do
not ride with the seat reclined.
- The ideal position for the head restraint is with the upper
edge of the restraint level with the top of your head
=>
page 86. You should not lower the top of the restraint
below the level of your eyes.
Contro ls and eq uip­
ment
Seats and storage
- Place your feet on the floor in front of the passenger's
seat. •
Power seat
Controls
The operating logic for the switches corresponds to the
construction and function of the seat.
Fig. 73 Power seat:
Controls for seat
adjustment
The switches to adjust the seats correspond to the layout, the
design and the function of the seat. The seats are adjusted by
moving the switches following this logic.
© Seat adjustment~ page 82
@ Adjusting the angle of the seatback ~ page 82
© Adjusting the lumbar support~ page 83
@ Upper thigh support*~ page 83
& WARNING
• Never adjust the driver's or front passenger's seat while the
vehicle is moving . If you do this while the vehicle is moving , you
will be out of position. Always adjust the driver's or front
passenger's seat when the vehicle is not moving. _.,
Vehicle care I I irechnical data

0 Note
To avoid damaging the socket, only use plugs that fit properly.
[ i] Tips
When the engine is off and accessories are still plugged in and are
on, the vehicle battery can still be drained. •
Storage
General overview
There are numerous places to store items in your vehicle.
Glove compartment
Storage compartment in roof
Coat hooks
Storage compartment in the trunk
& WARNING
~ page 99
~ page 100
~ page 101
~ page 91
• Always remove objects from the instrument panel. Any items
not stored could slide around inside the vehicle while driving or
when accelerating or when applying the brakes or when driving
around a corner.
• When you are driving make sure that anything you may have
placed in the center console or other storage locations cannot fall
out into the footwells. In case of sudden braking you would not be
able to brake or accelerate.
• Any articles of clothing that you have hung up must not inter­
fere with the driver's view. The coat hooks are designed only for
lightweight clothing. Never hang any clothing with hard, pointed
or heavy objects in the pockets on the coat hooks. During sudden
Con tro ls and eq uip­
ment
Seats and storage
& WARNING !continued)
braking or in an accident -especially if the airbag is deployed -
these objects could injure any passengers inside the vehicle. •
Glove compartment
The media player is in the glove compartment.
To open glove compartment
Fig. 99 Unlocking
button for glove
compartment
Press the button ::V => fig. 99 (arrow) - the lid opens auto­
matically.
To close glove compartment
Push the glove compartment lid up unt il the lock
engages.
In the glove compartmen t lid you will find a place to store a pen and
a pad of paper.
CD changer*
The CD changer for the radio system and the Navigation drive* is located in the glove compartment . How to change CDs is described
in the pertinent Owner's Manual.
tJ,,,
Vehicle care I I irechnical data

_________________________________________________ O_ n_ t_h _e _ ro_ a_d _ __._
& WARNING
• Ne ver re m ove the ke y from the ignition lo ck wh ile th e ve hicl e is
movin g. The steering wh eel will l ock , cau sing l oss of contr ol.
• I f yo u have t o le ave y our veh icle, e ven for ju st a mi nute , always
r e m ove the ign ition ke y and t ake it with you. T his is es pe ciall y
import ant if y ou are going t o leave c hildren unatt end ed in the
vehic le. The children could start the engin e or use other ve hicle
c ontr ols. Un sup erv is ed u se of veh icle c ontrol s (for e xam ple, pow er
w indow s) can cause se rious per sonal injurie s.
0 Note
• I f the ~ symbol in the display blinks, there is a malfunction in the
e lectronic steering column lock . Follow the instructions in
~ page 32 , "Steering malfunction i".
• If the ~ symbol in the display blinks , there is a malfunction in
the electronic ignition lock . Follow the instructions in~ page
33,
"Ignition lock malfunction ~"-
[ i ] Tip s
• If you release the ignition key in posit ion @, the key automati­
cally r eturns to posit ion
G) .
• If you open the driver's door when the ignition is swi tched on , a
buzzer sounds and the message Ignition is on appears in the instru ­
ment cluster display. P lease switch the ignition off. •
Ignition key safety lock
The ignition key can only be removed when the selector
lever is in the "P" (Park) position.
After turning off the ignition, the ignition key can only be removed
from the ignition lock when the selec tor lever is in the "P" (Park)
Con tro ls and eq uip­
ment position. Af
ter you have removed the key , the sele ctor lever is locked
and cannot be moved. •
Starting and stopping the engine
Starting the engine
The engine can only be started with your original Audi
key.
.... _:::::•:
Step on t he brake.
Fig . 117 Ig ni tio n k ey
posit io n s
Move the selector lever into P or N => &,.
Tu rn the ignition key to pos ition 0 => fig . 117 - do not
depress the gas peda l when start ing the engine.
A co ld engine may sound loud after it has been started . This is due
to the hydrau lic valves building up oi l pressure. This is normal and
is not a n eed for concern .
If the engine does not start immediately, stop trying after 10
seconds and th en try to restart the engine about 30 seconds later . _.,
Vehicle care
I I irechnical data

• ..__O_ n_ t_h _e _ r_o _a _ d __________________________________________________ _
& WARNING
Never start or let the engine run in a confined or enc losed area .
Exhaust fumes from the engine contain carbon monoxide , a color ­
le ss and odorless gas . Carbon monoxide can be fatal if inhaled .
• Never leave the engine idling unattended . An unattended
vehi cle with a runn ing engine poses a danger of personal injury or
theft.
0 Note
• Avoi d high engine speed s, fa st a ccele rati on or heavy eng ine
loads while the engi ne is sti ll cold. This cou ld damage the engine.
• The e ngi ne canno t be sta rt e d by pushing o r to w ing the vehicle.
~ For the sake of the environment
To avoid unnecessary engine wear and to re duce ex hau st emis ­
sions, do not let your vehicle stand and warm up. Be ready to drive
off immed iate ly afte r start ing y our veh icle. Maintain modera te
sp eed unt il the engine is completely warm. Remembe r, th e engine
performs best a t operati ng tempe ra ture .•
Stopping the engine
- Turn t he ignit ion key to position © ~ page 117 , fig. 117 .
& WARNING
• Never turn off the engine until the vehicle has come to a
complete stop.
• The brake booster and servotroni c only work when the engine
is running . With the ignition turned off , you have to apply more
force when steering or braking . Since you cannot steer and stop
normally, this can lead to accidents and serious injuries .
& WARNING (continued )
• The radiator fan can continue to run for up to 10 minutes even
after you have turned off the engine and removed the ignition key .
The radiator fan can also turn on again if the engine coolant heats
up because of inten se sunlight or heat build -up in the engine
compartment .
0 Note
Do not stop the engine immediatel y after hard or extended driving.
Keep the eng ine runn ing f or ap proximate ly t wo minu tes to preven t
excessive heat build -up. •
Starting and stopping the engine
with Convenience key
Ap plies to vehicles: wit h C onvenien ce key
Starting the engine with the [ START) button
This button switches on the i gnition and starts the en gine.
Fig. 118 Convenienc e
key ; EN GINE START
button
T he [ S TA RT ] b utto n is prov ided with two-stage operation
~ fig .118. .,,_

On th e road 111111 _________________________________ __::..:....:.......;,;_;_;_ _ __;____,J
Switching the ignition on
- Press t he [ S TART] button once to the first stage to switch
on on ly the ignition.
Starting the engine
- Step on t he brake.
- Move the se lector leve r to t he P or N posit ion
~ & .
- Press the [ STA RT ] button to t he second s tage to star t the
engine.
After a cold engine is started, there may be a brief period of
increased noise because oil pressure must first bui ld up in the
hydraulic valve adjusters . This is norma l and not a cause for
concern.
If the engine does not start immed iately, stop trying after 10
seconds and then try to restart the engine about 30 seconds later.
& WARNING
Ne ver all ow the e ngine to run in confined spa ce s -danger of
asphyxi atio n.
0 Note
• Avo id high engi ne rp m, full throttle and heavy engine loads unti l
the engine has reached operating temperature -otherwise you risk
engine damage .
• T he engine cannot be started by pushing or towing the vehic le.
c£> For the sake of the environment
Do not allow the engine to warm up with the vehicle stationary . Start
driving right away . In this way you avo id unnecessary emissions .
Contro ls and eq uip­
ment
[ i ] Tip s
If you open the driver's door when t he ign itio n is switched on, a
buzzer sounds and the message
Ign ition i s on appears in the instru ­
ment cluster display. P lease switch the ignition off. •
Applies to vehic les : w ith C onven ien ce key
Switching engine off with the [STOP] button
Bring yo ur vehicle to a comp le te sto p.
Fig. 11 9 Con veni ence
k ey: E NGIN E STO P
button
Move the se lector lever to the P o r N position .
Press the [
STOP I button ~ fig. 119.
Pressing the ( STO P] button once switches off the engine and the
ignition . If you press the ( S T O P! button again for more than 1
second, the steering is locked, provided that the selector leve r is in
the P position
~ & .
Emergency OFF function
If necessary , the engine can be switched off with the selector leve r
in the R, Dor S positions. To do so, step on the brake peda l and
press and hold the ( STOP] button (vehicle speed must be less than
6 mph/ 10 km /h. .,,_
Vehicle care I I irechnical data

• .___O_ n_ t_ h_ e_ r_ o_ a_d ____________________________________________________ _
& WARNING
• Never turn off the engine until the vehicle has come to a
complete stop.
• The brake booster and servotronic only work when the engine
is running. With the ignition turned off, you have to apply more
force when steering or braking. Since you cannot steer and stop
normally, this can lead to accidents and serious injuries.
• For safety reasons, you should always park your vehicle with
the selector lever in P. Otherwise, the vehicle could inadvertently roll away.
• After the engine has been switched off, the radiator fan can
continue to run for up to 10 minutes -even with the ignition
switched off. It can also switch on again after some time if the
coolant temperature rises as the result of a heat buildup or if the
engine is hot and the engine compartment is additionally heated
by the sun's rays.
0 Note
If the engine has been under heavy load for an extended period,
heat builds up in the engine compartment after the engine is
switched off -there is a risk of damaging the engine. Allow the
engine to run at idle for about 2 minutes before switching it off. •
Applies to vehicles: w ith Conven ience key
Driver messages in the instrument cluster
display
If a function is not present, a driver message appears.
No key identified
This message appears when the [STAR T) button is pressed if there
is no master key inside the vehicle or if the system does not recog­
nize it . For example, the master key cannot be recognized if it is
covered by an object (e.g. aluminum brief case) which
screens the radio signal.
.Electronic devices such as cell phones can also inter­
fere with the radio signal.
Press brake pedal to start engine
This message appears if you press the [ START) button to start the
engine and do not depress the brake pedal. The engine can only be
started if the brake pedal is depressed.
Engage N or P to start engine
This message appears when the engine is started if the selector
lever for the automatic transmission is not in the P or N position.
The engine can only be started with the selector in these positions.
? Key not in vehicle
This message appears along with the symbol if the master key is
removed from the vehicle with the engine running. It is intended to
remind you (e.g. when changing drivers) not to continue the journey
without the master key.
If the master key is no longer in the vehicle, you cannot switch off
the ignition after stopping the engine and you also cannot start the engine again. Moreover, you cannot lock the vehicle from the
outside with the key.
Shift to P, otherwise vehicle can roll away. Doors do not lock if lever
is not in
P.
This message appears for safety reasons along with a warning
buzzer if the selector lever for the automatic transmission is not in
the P position when the ignition is switched off with the
[STOP)
button and the driver's door is opened. Move the selector lever to
the P position, otherwise the vehicle is not secured against rolling
away. You also cannot lock the vehicle using the locking button on
the door handle or using the remote key.
To engage steering lock, press and hold STOP button
This message appears for safety reasons if the engine and the igni ­
tion have been switched off by pressing the [
STOP) button once, .,,_